Decorator Crab Collection
The decorator crab, also known as the orangutan crab or ornamental crab, is a master of disguise
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The decorator crab, also known as the orangutan crab or ornamental crab, is a master of disguise. Covered in shells and seaweed, this remarkable creature blends seamlessly into its surroundings. Found in Southeast Asia, particularly Sulawesi and Indonesia's Raja Ampat region, these crabs have evolved a unique survival strategy. One such species is the Achaeus japonicus, commonly referred to as the orangutan crab due to its long arms resembling those of an orangutan. These crabs are often seen adorning themselves with various materials like shells and seaweed to camouflage themselves from predators. Another species found in these regions is Dardanus pedunculatus. Like their counterparts, they too use their environment to their advantage by attaching objects such as soft corals onto their exoskeletons. This commensal relationship not only provides them with protection but also allows them to blend effortlessly into the vibrant coral reefs. In Indonesia's Komodo Island, where biodiversity thrives underwater, ornamental crabs showcase an array of sponges, algae, and corals on their shells. Each individual carries a unique "garden" of static animal and plant life that acts as a disguise against potential threats. Cyclocoeloma tuberculata is another fascinating decorator crab found in the Indo Pacific region. Its ability to adapt its coloration according to its surroundings makes it almost invisible during daylight hours when predators lurk nearby. Even at nightfall in Dumaguete's waters off Negros Island in the Philippines, Camposcia retusa emerges with vibrant colors that enhance its camouflage abilities further. These decorator crabs exemplify nature's ingenuity by utilizing external elements for self-preservation. Their intricate disguises serve as both protection against predation and an awe-inspiring spectacle for marine enthusiasts lucky enough to witness them up close.